Welcome to One Harmony

Discover a World of Elegance and Refinement in Our Free Membership Program.

Join Us for Special Offers!

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New digital voucher for one-category guestroom upgrades for Loyal & Exclusive Members (“My Voucher”) is now provided. Sign in is required to display the digital voucher. Please click here for display.

Special Offers

1 in 10 people will win!
One Harmony Lucky Draw Promotion

Members who stay at Okura Nikko Hotels in Japan during the promotional period for more than 2 nights, will have a chance to win the lottery to receive bonus One Harmony Points.
Click here for details

3X the points! Bonus Point Promotion

A limited-time bonus point promotion is available at Okura Nikko Hotels in Bangkok, Taipei, Amsterdam, San Francisco, and other cities. Stay at any of the participating hotels with the eligible plans, and receive triple points for your stay.
Click here for details

ADVANCE - early bird discount

Early booking plans are available! Book now online or at your nearest reservation center to enjoy our ADVANCE rate plan and experience Okura Nikko Hotels.
Click here for details

Contact Us

One Harmony Office

Inquiry Form
F. A. Q.
9:30-17:30 JST
(Closed Saturdays, Sundays and Holidays)